//
// Created by win10 on 2024/12/30.
//
#include <stdio.h>
#include <stdlib.h>

#define MAXSIZE 5
#define ERROR -1
typedef enum {false, true} bool;
typedef int ElementType;
typedef int Position;
typedef struct LNode *List;
struct LNode {
    ElementType Data[MAXSIZE];
    Position Last; /* 保存线性表中最后一个元素的位置 */
};

List MakeEmpty() {
    List L = malloc(sizeof(struct LNode));
    L->Last = -1;
    return L;
}
Position Find( List L, ElementType X ) {
    if (L == NULL) return ERROR;
    for (int i = 0; i <= L->Last; ++i) {
        if (L->Data[i] == X) return i;
    }
    return ERROR;

}
bool Insert( List L, ElementType X, Position P ) {
    if (L == NULL) return false;
    if (L->Last == MAXSIZE-1) {
        printf("FULL");
        return false;
    }
    if(P<0 || P>L->Last+1) {
        printf("ILLEGAL POSITION");
        return false;
    }
    for (int i = L->Last; i >= P; i--) {
        L->Data[i + 1] = L->Data[i];
    }
    L->Data[P] = X;
    L->Last++;
    return true;
}
bool Delete( List L, Position P ) {
    if (L == NULL) return false;
    if(P<0 || P>L->Last) {
        printf("POSITION %d EMPTY",P);
        return false;
    }
    for (int i = P; i <= L->Last; i++) {
        L->Data[i] = L->Data[i+1];
    }
    L->Last--;
    return true;
}

int main()
{
    List L;
    ElementType X;
    Position P;
    int N;

    L = MakeEmpty();
    scanf("%d", &N);
    while ( N-- ) {
        scanf("%d", &X);
        if ( Insert(L, X, 0)==false )
            printf(" Insertion Error: %d is not in.\n", X);
    }
    scanf("%d", &N);
    while ( N-- ) {
        scanf("%d", &X);
        P = Find(L, X);
        if ( P == ERROR )
            printf("Finding Error: %d is not in.\n", X);
        else
            printf("%d is at position %d.\n", X, P);
    }
    scanf("%d", &N);
    while ( N-- ) {
        scanf("%d", &P);
        if ( Delete(L, P)==false )
            printf(" Deletion Error.\n");
        if ( Insert(L, 0, P)==false )
            printf(" Insertion Error: 0 is not in.\n");
    }
    return 0;
}

/* 你的代码将被嵌在这里 */